1.5 torr, recommended for our 20L SolventVap rotary evaporators. UL, CSA and CE certified.
Welch 2052 2.3 cfm Full Chemical-Resistant 4-Head Diaphragm Pump
The original Welch 2052 is a full chemical-resistant (not like its cheaper version), 4-head, oil-free dry diaphragm vacuum pump with all-PTFE contact surfaces and deep vacuum capability. Oil-Free, portable, full chemical-resistant, means less maintenance and no more frequent and costly oil change, or cross contamination.
Ai is now the official dealer of Welch vacuum pumps. These pumps are made in Germany with one year warranty and technical support from Welch Vacuum.
Free three feet 3/8″ white premium food grade silicone vacuum tubing ($19.99 value) included.
| Electrical requirements
||110V or 220V 50/60Hz single phase 0.53 HP, 390 watts|
| Pumping rate
|| 2.3 cfm
| Ultimate vacuum level
|| 1.5 torr / 2 mbar
|Maximum vacuum||29.9 in. Hg|
|Inlet/Outlet|| 1/4″ NPT
|Adjustable vac./gas ballast||No|
| Pump dimensions (LxWxH)
|| 9 x 15 x 7 inches
| Shipping dimensions (LxWxH)
|| 10.2 x 16.6 x 7.5 inches
| Pump weight
|| 40.3 Lb
|Shipping weight||50 Lb|
||UL, CSA, CE|
|Part description|| Quantity
|Welch 2052 2.3 cfm full chemical-resistant oil-free diaphragm pump||1 pc|
|White premium food grade silicone vacuum hose (3 ft)||1 pc|
|User’s manual||1 pc|